Interconnect device for detecting whether a vehicle on-board diagnostics (OBD) data port includes circuitry which prevents back feeding of power through the OBD data port
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United States of America Patent
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Oct 22, 2019
Grant Date -
Mar 9, 2017
app pub date -
Nov 18, 2016
filing date -
Mar 13, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An interconnect device is disclosed for detecting whether an vehicle on-board diagnostics (OBD) data port includes a blocking diode or equivalent, that prevents back feeding of power through the OBD data port. If a diode is detected, the interconnect device alerts the user that the power cannot be back fed through the OBD II port connector. In such a condition, an alternate means is used to preserve the data mentioned above. If a diode is not detected by the interconnect device, the interconnect device displays this fact to the user. The interconnect device includes circuitry for detecting and displaying whether a diode is connected in series with a power pin of the OBD II port connector.
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